查询词典 perturbative

In this paper, the current states of research about the basic theory of stationary state perturbation method are firstly reviewed, on base of them, and studied some physics issues mainly about hydrogen atom. The stark effect of the energy level (n = 4) of hydrogen atom is calculated and the stark effect of three dimensional hydrogen atom is discussed by the use of the parabolic coordinates, then the perturbative matrix elements for each energy level are given.

本文首先综述了关于定态微扰论基本理论的研究现状，在此基础上利用定态微扰论对某些物理问题，主要是对氢原子问题展开了研究，计算了氢原子n=4能级的斯塔克效应，并利用抛物线坐标法求解了三维氢原子的斯塔克效应，给出了氢原子斯塔克效应中微扰矩阵元的普遍公式。

In this article,we firstly study the Rabi model in a concise coherent statemethod and give some results and then a non-perturbative and systematic coherentstate approximation is pointed out to solve the Spin-Boson model.

在这篇论文中，我们首先研究了无旋波近似的J-C模型，给出一些简单的结果，然后在耗散二态系统的研究过程中，给出一套非微扰的、系统的方法-相干近似法。

We present quantum mechanical vibrational computations beyond the harmonic approximation from effective second order perturbative and variation perturbation treatments defined as static approaches, as well as vibrational analysis from density functional theory molecular dynamics trajectories at 300 and 600 K.

利用超简谐振动近似的有效二阶微扰法(VPT2)和变异微扰法两种静态方法，以及在300和600K下的密度泛函分子动态轨线振动分析方法进行量子力学的振动计算。

The purpose of this research project is to work on the precise theoretic analysis of the production and decay of these SUSY particles within different model paremeter spaces at the perturbative One-Loop level, and try to find the measurable physics processes and physics observables.

本课题是对不同模型参数条件下超对称粒子的产生和衰变特性在单圈图水平上做精确的理论分析，寻找合适的探测过程及物理观测量，为在LHC上发现超对称信号及对超对称理论的检验提供理论上的指导。

And,from the original background,we derive this equationthrough perturbative method for a general reaction-diffusion system.

对小系统尺寸下的方程的稳定区域向混沌区域的过渡过程，用最大Lyapunov指数刻划的方法进行的讨论。

This implies that perturbative QCD is still not applicable at such momentum transfers.

这意味着微扰QCD 在这个能量范围内还是不适用的。

Micro satellite is under the influence of perturbative forces which would affect its orbit,so it is important to consider these perturbations in micro satellite orbit design and control.

小卫星在实际运行中受到多种摄动力的作用，这会对其轨道造成不同程度的影响，因此在小卫星的轨道设计与控制中，摄动是必须考虑的重要因素。

It is thus concluded that not only perturbative method but also T-matrix approach can be used to deal with the nonlinear AC response.

除了微扰方法，T-矩阵方法也是研究稀释极限体系非线性交流响应的一个行之有效的方法。

Studies of heavy quarkonium production in high energy collisions may provide im-portant information on both perturbative and nonperturbative QCD.

本文在微扰QCD的框架下讨论重夸克偶素的产生和高能强子对撞机上的硬衍射物理。

Two examples are used to show that such perturbative method can be a useful way to obtain the approximate solutions of the Fokker-Planck equation.

我们发现，当外加力场具有某些时间的形式时，应用微扰近似法来解Fokker-Planck方程式可以得到精确解，同样地，我们也用两个例子来说明微扰近似法的实用性。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。